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Finding the Fourth Proportional to 263,841.80, 396,054.30 and 164,114.60

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Solution

The fourth proportional to 263,841.80, 396,054.30 and 164,114.60 is: 246,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,841.80 : 396,054.30 = 164,114.60 : x
  2. Step 2: Convert to fraction form
    263,841.80/396,054.30 = 164,114.60/x
  3. Step 3: Cross multiply
    263,841.80x = 396,054.30 × 164,114.60
  4. Step 4: Simplify right side
    263,841.80x = 64,998,293,022.78
  5. Step 5: Solve for x
    x = 64,998,293,022.78/263,841.80
  6. Step 6: Final answer
    x = 246,353.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.